FIPER_CTRL_DIS
fiper_ctrl &= ~(FIPER_CTRL_DIS(channel) | FIPER_CTRL_PW(channel) |
fiper_ctrl |= FIPER_CTRL_DIS(channel);
fiper_ctrl |= FIPER_CTRL_DIS(i);
fiper_ctrl &= ~FIPER_CTRL_DIS(i);
fiper_ctrl |= FIPER_CTRL_DIS(i);